Medium severity · published Feb 1, 2026
CVE-2026-1734
Zhong Bang CRMEB crontab Endpoint CrontabController.php authorization
5.3
CVSS
0.5%
EPSS
No
On KEV
Description
A security flaw has been discovered in Zhong Bang CRMEB up to 5.6.3. This vulnerability affects unknown code of the file crmeb/app/api/controller/v1/CrontabController.php of the component crontab Endpoint. The manipulation results in missing authorization. The attack can be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
CRMEB · Zhong Bang
5.6.0; 5.6.1; 5.6.2; 5.6.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1734
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1734
Exploit
https://github.com/foeCat/CVE/blob/main/CRMEB/crontab_unauthorized_access.md
Exploit
https://github.com/foeCat/CVE/blob/main/CRMEB/crontab_unauthorized_access.md#proof-of-concept
Permissions Required
https://vuldb.com/?ctiid.343633
Third Party Advisory
https://vuldb.com/?id.343633
Third Party Advisory
https://vuldb.com/?submit.736619
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